The return of in-person conferences this year, after a hiatus of two or more years, has seen a slew of new features launched for banknote authentication.

Jura Security Printing recently held a series of practical workshops in Budapest, Hungary to discuss the future of security printing. This was one of the first events in the last 20 months or so that customers and suppliers had physically travelled to in order to meet up in person, so it was filled with plenty of energy and enthusiasm.

Many technologies and features with their roots in commercial printing have made, and continue to make, a substantial contribution to secure document production. However, these technologies have for the most part been concerned with producing visual colours, perceived by the unaided eye as conventional colour printing.